has_panel_replay flag is used to check panel replay state
which is part of crtc_state structure.
v1: RFC version.
v2: has_panel_replay flag updated as per hw readout. [Jani]
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 1 +
drivers/gpu/drm/i915/display/intel_psr.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 4f0badb11bbb..a30b6fe87dfc 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -8136,6 +8136,7 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
PIPE_CONF_CHECK_BOOL(has_psr);
PIPE_CONF_CHECK_BOOL(has_psr2);
PIPE_CONF_CHECK_BOOL(enable_psr2_sel_fetch);
+ PIPE_CONF_CHECK_BOOL(has_panel_replay);
PIPE_CONF_CHECK_I(dc3co_exitline);
}
}
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 49f6242c2fde..d1a30b82ce6f 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1054,6 +1054,12 @@ void intel_psr_get_config(struct intel_encoder *encoder,
pipe_config->has_psr2 = intel_dp->psr.psr2_enabled;
pipe_config->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC);
+ if (HAS_PANEL_REPLAY(dev_priv) && HAS_DP20(dev_priv)) {
+ val = intel_de_read(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder));
+ if (val & TRANS_DP2_PANEL_REPLAY_ENABLE)
+ pipe_config->has_panel_replay = true;
+ }
+
if (!intel_dp->psr.psr2_enabled)
goto unlock;
--
2.29.0
